JPS61189732A - 量子化雑音の低減法および回路装置 - Google Patents
量子化雑音の低減法および回路装置Info
- Publication number
- JPS61189732A JPS61189732A JP61028077A JP2807786A JPS61189732A JP S61189732 A JPS61189732 A JP S61189732A JP 61028077 A JP61028077 A JP 61028077A JP 2807786 A JP2807786 A JP 2807786A JP S61189732 A JPS61189732 A JP S61189732A
- Authority
- JP
- Japan
- Prior art keywords
- digital
- random access
- analog
- access memory
- stage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B14/00—Transmission systems not characterised by the medium used for transmission
- H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
- H04B14/04—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using pulse code modulation
- H04B14/046—Systems or methods for reducing noise or bandwidth
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/10—Calibration or testing
- H03M1/1009—Calibration
- H03M1/1033—Calibration over the full range of the converter, e.g. for correcting differential non-linearity
- H03M1/1038—Calibration over the full range of the converter, e.g. for correcting differential non-linearity by storing corrected or correction values in one or more digital look-up tables
- H03M1/1047—Calibration over the full range of the converter, e.g. for correcting differential non-linearity by storing corrected or correction values in one or more digital look-up tables using an auxiliary digital/analogue converter for adding the correction values to the analogue signal
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Theoretical Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Analogue/Digital Conversion (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3504762.3 | 1985-02-13 | ||
DE19853504762 DE3504762A1 (de) | 1985-02-13 | 1985-02-13 | Verfahren und schaltungsanordnung zur unterdrueckung von quantisierungsunsicherheiten |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS61189732A true JPS61189732A (ja) | 1986-08-23 |
Family
ID=6262309
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP61028077A Pending JPS61189732A (ja) | 1985-02-13 | 1986-02-13 | 量子化雑音の低減法および回路装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US4680774A (enrdf_load_stackoverflow) |
JP (1) | JPS61189732A (enrdf_load_stackoverflow) |
DE (1) | DE3504762A1 (enrdf_load_stackoverflow) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3744132A1 (de) * | 1987-12-24 | 1989-07-06 | Asea Brown Boveri | Verfahren und schaltung zur unterdrueckung des quantisierungsrauschens |
DE3928886A1 (de) * | 1989-08-31 | 1991-03-14 | Blaupunkt Werke Gmbh | Schaltungsanordnung zur digital/analog-wandlung |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5167013A (ja) * | 1974-12-09 | 1976-06-10 | Nissan Motor | Ijokenshutsusochiosonaetashingodensosochi |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2355676C3 (de) * | 1973-11-07 | 1979-01-18 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Schaltungsanordnung zur Übertragung von Signalen mit Differenz-Pulscodemodulation (DPCM) |
CA1158355A (en) * | 1980-02-07 | 1983-12-06 | Rca Corporation | Adaptive amplitude averaging for weighting quantizing noise |
JPS5875920A (ja) * | 1981-10-30 | 1983-05-07 | Sony Corp | A/dコンバ−タ回路 |
US4590458A (en) * | 1985-03-04 | 1986-05-20 | Exxon Production Research Co. | Offset removal in an analog to digital conversion system |
-
1985
- 1985-02-13 DE DE19853504762 patent/DE3504762A1/de active Granted
-
1986
- 1986-01-16 US US06/819,891 patent/US4680774A/en not_active Expired - Fee Related
- 1986-02-13 JP JP61028077A patent/JPS61189732A/ja active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5167013A (ja) * | 1974-12-09 | 1976-06-10 | Nissan Motor | Ijokenshutsusochiosonaetashingodensosochi |
Also Published As
Publication number | Publication date |
---|---|
US4680774A (en) | 1987-07-14 |
DE3504762C2 (enrdf_load_stackoverflow) | 1990-06-13 |
DE3504762A1 (de) | 1986-08-14 |
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